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1991. 2002-06-01T04:00:00Z. 2012-07-13T13:02:01Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Massachusetts and Essex County.
1991. 2002-06-01T04:00:00Z. 2012-07-12T20:24:15Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Massachusetts and Essex County.
1974. 2013-04-23T17:10:42Z. 2013-05-02T15:46:56Z. Nemickas, Bronius. U.S. Geological Survey. English. Public. New Jersey, Union County, Essex County, and Union County (N.J.). Pleistocene.
5. Bedrock topography of eastern Morris and western Essex counties, New Jersey [cartographic material]
1968. 2012-10-10T18:50:25Z. 2013-03-18T22:22:46Z. Nichols, William D. U.S. Geological Survey. English. Public. New Jersey, Essex County, Morris County, Essex County (N.J.), and Morris County (N.J.).
1958. 2011-04-21T17:42:25Z. 2012-02-14T00:25:54Z. Castle, Robert O. The Survey. English. Public. Massachusetts, Essex County, Middlesex County, New Hampshire, Hillsboro County, and Rockingham County.
7. Geologic map of the Reading quadrangle, Massachusetts surficial geology / [cartographic material]
1962. 2011-05-10T15:04:15Z. 2012-02-14T23:33:17Z. Oldale, Robert N. The Survey. English. Public. Massachusetts, Middlesex County, and Essex County.
1996. 2002-06-01T04:00:00Z. 2012-07-20T19:01:33Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Virginia, Caroline County, and Essex County.
9. Geologic map of the Wilmington quadrangle, Massachusetts surficial geology / [cartographic material]
1959. 2011-04-29T17:31:24Z. 2012-02-14T23:31:20Z. Castle, Robert O. The Survey. English. Public. Massachusetts, Essex County, and Middlesex County.
1896. 2013-03-13T15:21:49Z. 2021-09-28T16:52:34Z. Darton, Nelson Horatio, 1865-1948. Engraved and printed by the U.S. Geological Survey, Bailey Willis, Editor of Geologic Maps, S.J. Kübel, Chief Engraver. English. Public. Maryland, Calvert County, Charles County, Saint Mary's County, Virginia, Essex County, Northumberland County, Richmond County, and Westmoreland County.
